81522720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 289578240

約数和(自身を除く): 208055520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 113, 120, 135, 144, 160, 167, 180, 216, 226, 240, 270, 288, 334, 339, 360, 432, 452, 480, 501, 540, 565, 668, 678, 720, 835, 864, 904, 1002, 1017, 1080, 1130, 1336, 1356, 1440, 1503, 1670, 1695, 1808, 2004, 2034, 2160, 2260, 2505, 2672, 2712, 3006, 3051, 3340, 3390, 3616, 4008, 4068, 4320, 4509, 4520, 5010, 5085, 5344, 5424, 6012, 6102, 6680, 6780, 7515, 8016, 8136, 9018, 9040, 10020, 10170, 10848, 12024, 12204, 13360, 13560, 15030, 15255, 16032, 16272, 18036, 18080, 18871, 20040, 20340, 22545, 24048, 24408, 26720, 27120, 30060, 30510, 32544, 36072, 37742, 40080, 40680, 45090, 48096, 48816, 54240, 56613, 60120, 61020, 72144, 75484, 80160, 81360, 90180, 94355, 97632, 113226, 120240, 122040, 144288, 150968, 162720, 169839, 180360, 188710, 226452, 240480, 244080, 283065, 301936, 339678, 360720, 377420, 452904, 488160, 509517, 566130, 603872, 679356, 721440, 754840, 849195, 905808, 1019034, 1132260, 1358712, 1509680, 1698390, 1811616, 2038068, 2264520, 2547585, 2717424, 3019360, 3396780, 4076136, 4529040, 5095170, 5434848, 6793560, 8152272, 9058080, 10190340, 13587120, 16304544, 20380680, 27174240, 40761360, 81522720]

約数ペア:

[(1, 81522720), (2, 40761360), (3, 27174240), (4, 20380680), (5, 16304544), (6, 13587120), (8, 10190340), (9, 9058080), (10, 8152272), (12, 6793560), (15, 5434848), (16, 5095170), (18, 4529040), (20, 4076136), (24, 3396780), (27, 3019360), (30, 2717424), (32, 2547585), (36, 2264520), (40, 2038068), (45, 1811616), (48, 1698390), (54, 1509680), (60, 1358712), (72, 1132260), (80, 1019034), (90, 905808), (96, 849195), (108, 754840), (113, 721440), (120, 679356), (135, 603872), (144, 566130), (160, 509517), (167, 488160), (180, 452904), (216, 377420), (226, 360720), (240, 339678), (270, 301936), (288, 283065), (334, 244080), (339, 240480), (360, 226452), (432, 188710), (452, 180360), (480, 169839), (501, 162720), (540, 150968), (565, 144288), (668, 122040), (678, 120240), (720, 113226), (835, 97632), (864, 94355), (904, 90180), (1002, 81360), (1017, 80160), (1080, 75484), (1130, 72144), (1336, 61020), (1356, 60120), (1440, 56613), (1503, 54240), (1670, 48816), (1695, 48096), (1808, 45090), (2004, 40680), (2034, 40080), (2160, 37742), (2260, 36072), (2505, 32544), (2672, 30510), (2712, 30060), (3006, 27120), (3051, 26720), (3340, 24408), (3390, 24048), (3616, 22545), (4008, 20340), (4068, 20040), (4320, 18871), (4509, 18080), (4520, 18036), (5010, 16272), (5085, 16032), (5344, 15255), (5424, 15030), (6012, 13560), (6102, 13360), (6680, 12204), (6780, 12024), (7515, 10848), (8016, 10170), (8136, 10020), (9018, 9040)]